The Progress engineering staff has decades of experience in the design and tuning of performance suspension systems, including CART/Indy Cars, IMSA, SCCA, NASA, and SCORE competitors. This industry leading experience is apparent in the Progress Sport Lowering Springs. Their design reflects the ability to develop a successful blend of appearance, handling capability, and ride quality.

Progress specifies only certified high-tensile SAE spring wire materials. They are cold wound on modern CNC coiling machines, then stress-relieved, pre-set and shot-peened for maximum durability. Install a set in your ride and you'll quickly realize what makes Progress Sport Lowering Springs the obvious choice for motorsports enthusiasts!